Prepare to output real relative error.

In Wasserstein distance computation AuctionRunner class now has a field
relativeError which contains the relative error which we can guarantee,
so if the user asked for 0.1 accuracy, but the result is 0.03 accurate,
this information can be retrieved.

1 files changed, 1 insertions, 1 deletions

diff --git a/geom_matching/wasserstein/example/wasserstein_dist.cpp b/geom_matching/wasserstein/example/wasserstein_dist.cpp
index e92ab54..c699282 100644
--- a/geom_matching/wasserstein/example/wasserstein_dist.cpp
+++ b/geom_matching/wasserstein/example/wasserstein_dist.cpp
@@ -46,7 +46,7 @@ int main(int argc, char* argv[])
     PairVector diagramA, diagramB;
 
     if (argc < 3 ) {
-        std::cerr << "Usage: " << argv[0] << " file1 file2 [wasserstein_degree] [relative_error] [internal norm]. By default power is 1.0, relative error is 0.01, internal norm is l_infinity." << std::endl;
+        std::cerr << "Usage: " << argv[0] << " file1 file2 [wasserstein_degree] [relative_error] [internal norm] [output_actual_error]. By default power is 1.0, relative error is 0.01, internal norm is l_infinity, actual relative error is not printed." << std::endl;
         return 1;
     }